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Example CodeSystem/reference-handling-policy (XML)

FHIR Infrastructure Work GroupMaturity Level: N/AStandards Status: Informative

Raw XML (canonical form + also see XML Format Specification)

Definition for Code SystemReferenceHandlingPolicy

<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="reference-handling-policy"/> 
  <meta> 
    <lastUpdated value="2022-12-08T03:56:24.982+00:00"/> 
    <profile value="http://hl7.org/fhir/StructureDefinition/shareablecodesystem"/> 
  </meta> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p> This code system 
        <code> http://hl7.org/fhir/reference-handling-policy</code>  defines the following codes:
      </p> 
      <table class="codes">
        <tr> 
          <td style="white-space:nowrap">
            <b> Code</b> 
          </td> 
          <td> 
            <b> Display</b> 
          </td> 
          <td> 
            <b> Definition</b> 
          </td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">literal
            <a name="reference-handling-policy-literal"> </a> 
          </td> 
          <td> Literal References</td> 
          <td> The server supports and populates Literal references (i.e. using Reference.reference)
             where they are known (this code does not guarantee that all references are literal;
             see 'enforced').</td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">logical
            <a name="reference-handling-policy-logical"> </a> 
          </td> 
          <td> Logical References</td> 
          <td> The server allows logical references (i.e. using Reference.identifier).</td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">resolves
            <a name="reference-handling-policy-resolves"> </a> 
          </td> 
          <td> Resolves References</td> 
          <td> The server will attempt to resolve logical references to literal references - i.e.
             converting Reference.identifier to Reference.reference (if resolution fails, the
             server may still accept resources; see logical).</td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">enforced
            <a name="reference-handling-policy-enforced"> </a> 
          </td> 
          <td> Reference Integrity Enforced</td> 
          <td> The server enforces that references have integrity - e.g. it ensures that references
             can always be resolved. This is typically the case for clinical record systems,
             but often not the case for middleware/proxy systems.</td> 
        </tr> 
        <tr> 
          <td style="white-space:nowrap">local
            <a name="reference-handling-policy-local"> </a> 
          </td> 
          <td> Local References Only</td> 
          <td> The server does not support references that point to other servers.</td> 
        </tr> 
      </table> 
    </div> 
  </text> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="normative"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
    <valueCode value="4.0.0"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="5"/> 
  </extension> 
  <url value="http://hl7.org/fhir/reference-handling-policy"/> 
  <identifier> 
    <system value="urn:ietf:rfc:3986"/> 
    <value value="urn:oid:2.16.840.1.113883.4.642.4.203"/> 
  </identifier> 
  <identifier> 
    <use value="old"/> 
    <system value="urn:ietf:rfc:3986"/> 
    <value value="urn:oid:2.16.840.1.113883.4.642.1.193"/> 
  </identifier> 
  <version value="5.0.0-cibuild"/> 
  <name value="ReferenceHandlingPolicy"/> 
  <title value="ReferenceHandlingPolicy"/> 
  <status value="active"/> 
  <experimental value="false"/> 
  <date value="2021-01-05T10:01:24+11:00"/> 
  <publisher value="HL7 (FHIR Project)"/> 
  <contact> 
    <telecom> 
      <system value="url"/> 
      <value value="http://hl7.org/fhir"/> 
    </telecom> 
    <telecom> 
      <system value="email"/> 
      <value value="fhir@lists.hl7.org"/> 
    </telecom> 
  </contact> 
  <description value="A set of flags that defines how references are supported."/> 
  <jurisdiction> 
    <coding> 
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/> 
      <code value="001"/> 
      <display value="World"/> 
    </coding> 
  </jurisdiction> 
  <caseSensitive value="true"/> 
  <valueSet value="http://hl7.org/fhir/ValueSet/reference-handling-policy"/> 
  <content value="complete"/> 
  <concept> 
    <code value="literal"/> 
    <display value="Literal References"/> 
    <definition value="The server supports and populates Literal references (i.e. using Reference.reference)
     where they are known (this code does not guarantee that all references are literal;
     see 'enforced')."/> 
  </concept> 
  <concept> 
    <code value="logical"/> 
    <display value="Logical References"/> 
    <definition value="The server allows logical references (i.e. using Reference.identifier)."/> 
  </concept> 
  <concept> 
    <code value="resolves"/> 
    <display value="Resolves References"/> 
    <definition value="The server will attempt to resolve logical references to literal references - i.e.
     converting Reference.identifier to Reference.reference (if resolution fails, the
     server may still accept resources; see logical)."/> 
  </concept> 
  <concept> 
    <code value="enforced"/> 
    <display value="Reference Integrity Enforced"/> 
    <definition value="The server enforces that references have integrity - e.g. it ensures that references
     can always be resolved. This is typically the case for clinical record systems,
     but often not the case for middleware/proxy systems."/> 
  </concept> 
  <concept> 
    <code value="local"/> 
    <display value="Local References Only"/> 
    <definition value="The server does not support references that point to other servers."/> 
  </concept> 
</CodeSystem> 

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.